5. (1-x) dyldr) +xy = xy.|[purvanchal 2007| ans. cy=(1-y)y1-x) 6. dyldr =ry- xy. [gorakhpur 2005] 7. (dyldx) -y sec x =y sin x cos x. & hild +12=n3 delhi b.sc.

5. (1-x) dyldr) +xy = xy.|[Purvanchal 2007| Ans. cy=(1-y)y1-x) 6. dyldr =ry- xy. [Gorakhpur 2005] 7. (dyldx) -y sec x =y sin x cos x. & hild +12=n3 Delhi B.Sc. Hons) IL 2011. Ans. yi =x*+1+ ce Ans. y (sec x + tanx) = cos x - (x/2) + (1/4) sin 2x +c Cet? Ans. v=X + 1/2 +cex